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General Radio Operation
App Button (TMS Feature Button)
This button brings you to the Text Messaging Service (TMS) feature screen.
4-Way Navigation Button
This button is used to scroll through the radio’s lists or items in the display, or both.
LED Indicators
The LED on top of the radio indicates the radio’s operating status:
| Table 6: LED Indicators |
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LED Indicator | What it Means |
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Red | Radio transmitting |
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Blinking red | • Channel busy, or |
| • Low battery (while transmitting) |
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Double blinking red | Receiving encrypted audio |
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Blinking green | Receiving an individual call |
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ASTRO XTS 5000 Model II | 9 |